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Finding the Third Proportional to 996,867 and 2,161,998

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Solution

The third proportional to 996,867 and 2,161,998 is: 4,688,925.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,867 : 2,161,998 = 2,161,998 : x
  2. Step 2: Convert to fraction form
    996,867/2,161,998 = 2,161,998/x
  3. Step 3: Cross multiply
    996,867x = 2,161,998 × 2,161,998
  4. Step 4: Simplify right side
    996,867x = 4,674,235,352,004
  5. Step 5: Solve for x
    x = 4,674,235,352,004/996,867
  6. Step 6: Final answer
    x = 4,688,925.76

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.